File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG file content, allowing malicious SVG files with embedded foreignObject elements containing iframe tags and JavaScript event handlers (onmouseover) to be uploaded and stored. When rendered, these SVG files execute arbitrary JavaScript, enabling attackers to steal user sessions, cookies, and perform unauthorized actions in the context of users viewing affected profiles.
History

Thu, 02 Oct 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Suisuijiang
Suisuijiang fiora
Vendors & Products Suisuijiang
Suisuijiang fiora

Wed, 01 Oct 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-434
CWE-79
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 01 Oct 2025 15:45:00 +0000

Type Values Removed Values Added
Description File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG file content, allowing malicious SVG files with embedded foreignObject elements containing iframe tags and JavaScript event handlers (onmouseover) to be uploaded and stored. When rendered, these SVG files execute arbitrary JavaScript, enabling attackers to steal user sessions, cookies, and perform unauthorized actions in the context of users viewing affected profiles.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-10-01T15:50:25.946Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-56515

cve-icon Vulnrichment

Updated: 2025-10-01T15:49:51.936Z

cve-icon NVD

Status : Received

Published: 2025-10-01T16:15:53.217

Modified: 2025-10-01T16:15:53.217

Link: CVE-2025-56515

cve-icon Redhat

No data.